Stadium: Court 6 Round: 62
| ITF Women Badenweiler | 2018/09/01 09:00 | Issler, Maja v Koelliker, Samantha | 7-5,6-4 |
| ITF Women Verbier | 2018/06/27 12:35 | Diana Martynov v Koelliker, Samantha | 6-3,4-6,6-2 |
| ITF Women Verbier | 2018/06/25 07:00 | Ayline Esina Samardzic v Koelliker, Samantha | 4-6,5-7 |
| ITF Women Klosters | 2018/06/17 08:00 | Thaisa Grana Pedretti v Koelliker, Samantha | 6-1,6-1 |
| ITF Women Klosters | 2018/06/16 08:00 | Meyer, Dominique v Koelliker, Samantha | 2-6,6-3,2-6 |
| ITF Women Prerov Qual | 2018/06/09 11:00 | Petruzelova, Marketa v Koelliker, Samantha | 6-2,6-0 |
| ITF Women Tacarigua | 2018/05/05 15:00 | Brodsky, Gail v Koelliker, Samantha | 6-2,6-1 |
| ITF Women Florence | 2017/10/17 14:00 | Hanna Chang v Koelliker, Samantha | 6-2,6-2 |
| ITF Women Szekesfehervar | 2018/09/02 09:30 | Nikola Breckova v Sofia Milatova | 6-0,6-2 |
| ITF Women Vienna | 2018/07/15 08:00 | Njiric, Silvia v Sofia Milatova | 6-3,6-1 |
| ITF Women Vienna | 2018/07/14 12:00 | Alica Rusova v Sofia Milatova | 3-6,6-4,6-7 |
| ITF Women Vienna | 2018/07/14 07:00 | Raquel Ducet Teixeira v Sofia Milatova | 0-6,0-6 |
| ITF Women Banja Luka Qual | 2018/06/03 07:00 | Kilic, Karla v Sofia Milatova | 6-3,6-3 |
| ITF Women Maribor Qual | 2017/06/11 09:30 | Sunjic, Neli v Sofia Milatova | 6-1,6-4 |
| ITF Women Maribor Qual | 2017/06/10 10:00 | Rakic, Radina v Sofia Milatova | 3-6,1-6 |